/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#pragma once

#include "svgnode.hxx"

#include "svgstyleattributes.hxx"

#include <basegfx/matrix/b2dhommatrix.hxx>

#include <optional>

namespace svgio::svgreader

    {

        class SvgUseNode final : public SvgNode

        {

        private:

            /// use styles

            SvgStyleAttributes          maSvgStyleAttributes;

            /// variable scan values, dependent of given XAttributeList

            std::optional<basegfx::B2DHomMatrix>

                                        mpaTransform;

            SvgNumber                   maX;

            SvgNumber                   maY;

            SvgNumber                   maWidth;

            SvgNumber                   maHeight;

            /// link to content. If maXLink is set, the node can be fetched

            // on demand

            OUString               maXLink;

            /// detect if maXLink causes a loop to ourself during decomposing

            mutable bool           mbDecomposingSvgNode;

        public:

            SvgUseNode(

                SvgDocument& rDocument,

                SvgNode* pParent);

            virtual ~SvgUseNode() override;

            virtual const SvgStyleAttributes* getSvgStyleAttributes() const override;

            virtual void parseAttribute(SVGToken aSVGToken, const OUString& aContent) override;

            virtual void decomposeSvgNode(drawinglayer::primitive2d::Primitive2DContainer& rTarget, bool bReferenced) const override;

            /// transform content

            const std::optional<basegfx::B2DHomMatrix>& getTransform() const { return mpaTransform; }

            void setTransform(const std::optional<basegfx::B2DHomMatrix>& pMatrix) { mpaTransform = pMatrix; }

            /// x content

            const SvgNumber& getX() const { return maX; }

            /// y content

            const SvgNumber& getY() const { return maY; }

        };

} // end of namespace svgio::svgreader

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